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Notes

  • PDF accessibility relies on the source document being accessible. Before you save your document as a PDF, ensure your source document is accessible. Guidance on accessibilty for the two most common formats (MS Word and PowerPoint) are available below.
  • WebAim offers a Document Accessibility Course opens a new website that covers Word, PowerPoint, and PDF (Acrobat) documents.
  • Guidance on many of these requirements are available on the Content page and the Media & Graphics page.
  • A self-paced training option on document accessibility can be found at the Department of Homeland Security website.

PDFs

  • When using a document as the source of the PDF, make sure the source document is accessible before saving it as a PDF.
  • Do not use a scanned image as a source (text must be searcheable).
  • Save the file with a descriptive filename
  • If creating from a blank document:
    • Use accessible fonts that allow text extraction.
    • Use built-in features to create lists, organize content, and layout/data tables.
    • Use Built-in heading styles instead of fonts.
    • Use sufficient color contrast.
    • Don’t rely solely on color to convey information.
    • Text boxes must be “in line with text”
    • Add alternative text to images and other objects (for example, icons)
    • Use unique, descriptive link text o Identify languages used
    • Check if embedded audio, video, and multimedia files have accurate captions 

Important: Run the built-in Accessibility Checker before distributing.


MS Word

  • Save the file with a descriptive filename
  • Use accessible fonts. These include:
    • Arial
    • Helvetica
    • Tahoma 
    • Calibri
    • Georgia
  • Use built-in features to create lists, tables, and columns, and other layout options.
  • Use built-in heading styles instead of fonts.
  • Use sufficient color contrast.
  • Don’t rely solely on color to convey information
  • Text boxes must be “in line with text”
  • Add alternative text to images
  • Use unique, descriptive link text
  • Identify languages used

Important:


PowerPoint

  • Save the file with a descriptive filename.
  • Choose an appropriate layout design/template and establish the reading order.
  • Use built-in features to create lists, tables, and columns.
  • Use sufficient color contrast.
  • Don’t rely solely on color to convey information.
  • Add alternative text to images and other objects (for example, icons).
  • Use unique, descriptive link text.
  • Identify languages used.
  • Check if embedded audio, video, and multimedia files have accurate captions. 

Important:


Excel

  • Save the file with a descriptive filename
  • Use built-in features to organize content and ensure correct reading order.
  • Don’t rely solely on color to convey information.
  • Avoid blank rows, columns, and sheets in an Excel workbook.
    • Intentionally blank cells must be marked as such, for example with "No Data."
  • Avoid using hidden or frozen rows and columns. If used, the must be accompanied by an alert.
  • Do not leave Cell A1 blank:
    • Use to provide orienting information such as worksheet or workbook summaries and the number of sheets present, or the title of a table that begins directly below it.
  • Use the first sheet of a multi-sheet workbook as an index sheet with hyperlinks to the other sheets.
  • Headers and footers must not contain vital information.
  • Text Visibility:
    • Use an accessible font at a minimum 11 point size.
    • Symbols and special characters must also be communicated in plain text.
    • All text within cells should be readily visible on screen without having to adjust cell height or width.
    • Text should not overflow from cells.
  • Data Filters: If data filters are used, the user mest be alerted in the body of the document.
  • Macros:
    • Give each macro a clear, succinct, and meaningful name that is indicative of its function.
    • Include a clear and complete description of what it does.
    • Assign a keyboard shortcut to each macro (must not be the same name as an existing default shortcut).
    • Alert users within the body of the Excel document that macros are present, their number, and the name, description, and keyboard shortcut for each macro
  • Inserted Equations and Formulas: If a formula or equation is inserted as a floating object, it must be supplemented with a plain text alternative without symbols, within the cell layer of Excel.
  • Math in the Cell Layer:
    • Avoid mathematical expressions in the cell layer of Excel.
    • If used, they must be supplemented by a plain-text-no-symbol alternative (also placed in the cell layer).
  • Excel Functions should be accompanied by the text name and abbreviation of the function used, placed adjacent to and above the cell containing the value Output.
  • Graphs and Charts:
    • Fully label graphs and charts including as applicable: title, legend, axis labels, and data labels.
    • Do not rely on color as the sole means of communicating information.
    • Include a complete description in plain text form, placed directly in a cell rather than in the Alt Text section.
  • Images:
    • Meaningful images must be accompanied by a text alternative placed directly in a cell, as opposed to in the customary Alt Text section.
    • Decorative images should not be accompanied by a text alternative.
  • Word Art, SmartArt, Text Boxes, and Other Floating Objects:
    • If these contain vital information, the information must also be available in a text alternative placed in the cell layer.
    • Do not use background images and watermarks.
  • Embedded Files:
    • Include on a separate worksheet.
    • Alert users that embedded files are present.
    • Include clear text instructions on how to open the files and how a user can return to the cell layer.
    • Include an explanatory summary including type of file and contents.
  • Multimedia
    • Video and Audio:
      • Videos with dialogue must contain complete captions and a full transcript.
      • Videos without dialogue must contain a text description.
      • Audio-only elements must include a full transcript.
      • If video/audio is embedded as an object, the rules for embedded files must be followed.
      • Media controls for a multimedia element must be fully keyboard accessible.
    • Flashing Content:
      • Do not use content that flashes more than three times per second, unless:
        • the flashing content is sufficiently small
        • the flashes are of low contrast and do not exceed general flash thresholds or red flash thresholds.

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